/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraEditorUtilities.h
Convenience wrapper to get all discovered parameter definitions assets from asset registry. NOTE: You are not guaranteed to get all parameter definitions in mounted directories if the asset registry has not finished discovering assets.
namespace FNiagaraEditorUtilities { [TArray](API\Runtime\Core\Containers\TArray)< [UNiagaraParameterDefinitions](API\Plugins\NiagaraEditor\UNiagaraParameterDefinitions) * > FNiagaraEditorUtilities::GetAllParameterDefinitions() }